section {
  width: 100%;
  margin-top: 60px;
  padding-bottom: 50px;
  background-color: rgb(240, 240, 240);
}
.story {
  width: 60%;
  min-width: 700px;
  margin: auto;
}
.story .nav {
  width: 100%;
  padding-top: 20px;
  padding-bottom: 15px;
  color: #999;
  font-size: 14px;
}
.story .nav a {
  color: #999;
}
.story .nav a:hover {
  color: rgb(255,51,0);
}
.content {
  background-color: rgb(255, 255, 255);
}
.title {
  margin: auto;
  padding-top: 40px;
  width: 90%;
  padding-bottom: 15px;
  text-align: center;
  border-bottom: 2px solid rgb(240, 240, 240);
}
.title h1 {
  font-weight: 400;
  margin-bottom: 10px;
}
.title span {
  color: #999;
}
.text p {
  color: #333;
  text-indent: 2em;
  line-height: 25px;
  padding: 0px 30px 30px 50px;
}
.pic ul {
  width: 100%;
  line-height: 0;
  display: flex;
  justify-content: space-evenly;
  flex-wrap: wrap;
}
.pic ul li {
  margin: 10px;
}
.pic ul li img{
  width: 600px;
}


